Rohini Palaniswamy created PIG-5311:
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Summary: POReservoirSample fails for more than Integer.MAX_VALUE
records
Key: PIG-5311
URL: https://issues.apache.org/jira/browse/PIG-5311
Project: Pig
Issue Type: Bug
Reporter: Rohini Palaniswamy
Assignee: Rohini Palaniswamy
Fix For: 0.18.0
https://github.com/apache/pig/blob/branch-0.17/src/org/apache/pig/backend/hadoop/executionengine/physicalLayer/relationalOperators/POReservoirSample.java#L128
The rowProcessed is a int. When it exceeds the int range it wraps around and
becomes a negative number throwing below exception. It needs to be changed to
long.
{code}
Caused by: java.lang.IllegalArgumentException: bound must be positive
at java.util.Random.nextInt(Random.java:388)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POReservoirSample.getNextTuple(POReservoirSample.java:128)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.PhysicalOperator.processInput(PhysicalOperator.java:305)
at
org.apache.pig.backend.hadoop.executionengine.physicalLayer.relationalOperators.POForEach.getNextTuple(POForEach.java:284)
{code}
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